/* * Copyright (c) 2005, 2006 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * DNSNameList.h * - convert a list of DNS domain names to/from the compact * DNS form described in RFC 1035 */ /* * Modification History * * January 4, 2006 Dieter Siegmund (dieter@apple) * - created */ #ifndef _S_DNSNAMELIST_H #define _S_DNSNAMELIST_H #include <CoreFoundation/CFArray.h> #include <stdint.h> /* * Function: DNSNameListBufferCreate * * Purpose: * Convert the given list of DNS domain names into the compact form * described in RFC 1035. If "buffer" is NULL, this routine allocates * a buffer of sufficient size and returns its size in "buffer_size". * Use free() to release the memory. * * If "buffer" is not NULL, this routine places at most "buffer_size" * bytes into "buffer". If "buffer" is too small, NULL is returned, and * "buffer_size" reflects the number of bytes used in the partial conversion. * * Returns: * NULL if the conversion failed, non-NULL otherwise. */ uint8_t * DNSNameListBufferCreate(const char * names[], int names_count, uint8_t * buffer, int * buffer_size); /* * Function: DNSNameListCreate * * Purpose: * Convert compact domain name list form described in RFC 1035 to a list * of domain names. The memory for the list and names buffer area is * dynamically allocated in a single allocation. Use free() to release * the memory. * * Returns: * NULL if an error occurred i.e. buffer did not contain a valid encoding. * non-NULL if the conversion was successful, and "names_count" contains * the number of names in the returned list. */ const char * * DNSNameListCreate(const uint8_t * buffer, int buffer_size, int * names_count); /* * Function: DNSNameListCreateArray * Purpose: * Convert compact domain name list form described in RFC 1035 to an * array of domain name strings. */ CFArrayRef /* of CFStringRef */ DNSNameListCreateArray(const uint8_t * buffer, int buffer_size); #endif /* _S_DNSNAMELIST_H */